Fourth, when you create your OCAP Simulation launch configuration you need to specify the new channel map you created for the transport stream. This is done in the "Bound Services" tab of the launch configuration UI. By default the launch configuration is using default_channel_map_configuration.

Indeed, my transport stream was not correct. In such a case, it played in simulator, but in separate window outside of simulator frame.

Also, it required a combination of setting the mpeg file in run configuration -> bound services, and channel maps at 'use default background video'. It is unclear what video is acutally supported. The spec. says Video should have a resolution of 720x576 at 25 frames per second (for MHP) or 640x480 at 30 frames per second (for OCAP) but in the sample we were able to play a 640 X 480 video encoded at 30 frames per second.